#include "mstdio.h"
#include "mstring.h"
#include <stdio.h>



int main(){
    mFILE* file = mfopen("log.txt", "a");
    char *txt = "append txt\n";

    mfwrite(txt, mstrlen(txt), file);
    mfflush(file);
    mfclose(file);

    const char *txt1 = "abcdefg";
    fprintf(stdout,"%s : %d\n",txt1,mstrlen(txt1));

    return 0;
}
